About block 903,608
Bitcoin block 903,608 was mined by MARA Pool on July 2, 2025 at 4:28 AM UTC, 3 min 52 s after block 903,607. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 1,103 transactions in 1.32 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, down from 3.00 sat/vB in the block before, and all fees added up to 0.0254 BTC. With the 3.125 BTC subsidy of halving era 5, MARA Pool earned 3.1504 BTC for this block.
Block 903,608 is number 441 of 2,016 in difficulty epoch 448; 1,575 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,392 blocks after this one.
Its hash starts with 19 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. MARA Pool found 59 blocks in the week before. Today the block has 71,961 confirmations, so it is settled beyond any practical doubt.